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DX-500HG (ZX-464)
SEP. 1997
R
(without price)
DX-500HG


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CONTENTS
1. SPECIFICATIONS .......................................................................................................... 3
2. OPERATION CHECK ..................................................................................................... 4
3. DATA TRANSFER .......................................................................................................... 6
4. TROUBLESHOOTING.................................................................................................... 7
5. SCHEMATIC DIAGRAMS .............................................................................................. 8
6. PARTS LIST ................................................................................................................. 10
7. EXPLODED VIEW ........................................................................................................ 12
-- 2 --


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-- 3 --
1. SPECIFICATIONS
Display:
Liquid crystal display
Power supply:
Two lithium batteries (CR2032)
Power consumption:
0.1 W
Current consumption:
At DC6V
When AC key is pressed; Max. 16.2
µA. Typ. 11.5 µA
While Power OFF;
Max. 13
µA
When backlighting;
Max. 16,500
µA
Low battery message:
5.4 V
± 2.5 %
Battery life:
Approx. 1 year (one hour operation per day with two backlight opera-
tions and one daily alarm operation)
Auto power off:
Approx. 6 minutes after last key operation
Ambient temperature range:
0
°C ~ 40 °C (32 °F ~ 104 °F)
Dimensions:
15.3 (H)
× 134 (W) × 92 (D) mm ........ Folded
(5/8" (H)
× 5 1/4" (W) × 3 5/8" (D))
10.9 (H)
× 134 (W) × 180 (D) mm ...... Unfolded
(3/8" (H)
× 5 1/4" (W) × 7 1/8" (D))
Weight:
121.5 g (4.3 oz) including batteries


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-- 4 --
2. OPERATION CHECK
Note: Performing this check, the data saved in the unit will be deleted.
Therefore, save the data to another unit referring to " 3. DATA TRANSFER"
( page 6 of this Service Manual) before performing this check.
No.
1
2
3
4
5
6
KEY OPERATION
Turn the unit off.
While holding down
button, press
RESET button. Then
stop to press RESET
button. Next, stop to
hold down
button.
Press SZÓKÖZ
button after 1 ~ 2
seconds.
Press SZÓKÖZ
button after 1 ~ 2
seconds.
Press SZÓKÖZ
button after 1 ~ 2
seconds.
Press SZÓKÖZ
button after 1 ~ 2
seconds.
NOTES
At the time of stopping
to press RESET button,
buzzer sound is
emitted.
Pressing SZÓKÖZ
button, buzzer sound
is emitted.
Pressing SZÓKÖZ
button, buzzer sound
is emitted.
Pressing SZÓKÖZ
button, buzzer sound
is emitted.
Pressing SZÓKÖZ
button, buzzer sound
is emitted.
LCD DISPLAY
No display
All display


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-- 5 --
No.
7
8
9
KEY OPERATION
Press SZÓKÖZ
button after 1 ~ 2
seconds.
Press BEÍRÁS
button after 1 ~ 2
seconds.
Press BE
button after 1 ~ 2
seconds.
NOTES
No buzzer sound
No buzzer sound
No buzzer sound
-- END --
LCD DISPLAY
No display
Unit's power will be turned off.